21617949

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1627}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 29798912

約数和(自身を除く): 8180963

約数列:

[1, 3, 43, 103, 129, 309, 1627, 4429, 4881, 13287, 69961, 167581, 209883, 502743, 7205983, 21617949]

約数ペア:

[(1, 21617949), (3, 7205983), (43, 502743), (103, 209883), (129, 167581), (309, 69961), (1627, 13287), (4429, 4881)]